<s>
Bangai-O	B-Application
is	O
a	O
multidirectional	O
shooter	O
developed	O
by	O
Treasure	O
and	O
released	O
in	O
1999	O
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
in	O
Japan	O
.	O
</s>
<s>
It	O
was	O
ported	O
to	O
the	B-Operating_System
Dreamcast	I-Operating_System
worldwide	O
shortly	O
after	O
with	O
some	O
gameplay	O
changes	O
and	O
updated	O
graphics	O
and	O
audio	O
.	O
</s>
<s>
The	O
initial	O
ideas	O
for	O
Bangai-O	B-Application
came	O
from	O
Treasure	O
programmer	O
Mitsuru	O
Yaida	O
who	O
wanted	O
to	O
challenge	O
himself	O
by	O
programming	O
an	O
extreme	O
number	O
of	O
bullets	O
on	O
the	O
screen	O
at	O
once	O
.	O
</s>
<s>
Bangai-O	B-Application
was	O
released	O
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
and	O
was	O
limited	O
to	O
a	O
run	O
of	O
10,000	O
copies	O
because	O
of	O
publisher	O
Entertainment	O
Software	O
Publishing	O
's	O
belief	O
it	O
had	O
niche	O
appeal	O
.	O
</s>
<s>
The	O
team	O
replaced	O
most	O
of	O
the	O
graphics	O
and	O
audio	O
,	O
changed	O
some	O
gameplay	O
elements	O
,	O
and	O
re-released	O
it	O
on	O
the	B-Operating_System
Dreamcast	I-Operating_System
three	O
months	O
later	O
,	O
a	O
version	O
later	O
released	O
internationally	O
.	O
</s>
<s>
Bangai-O	B-Application
received	O
positive	O
reviews	O
from	O
game	O
journalists	O
.	O
</s>
<s>
Many	O
critics	O
compared	O
it	O
to	O
shoot	O
'	O
em	O
ups	O
and	O
action	B-Application
games	I-Application
of	O
the	O
past	O
,	O
praising	O
its	O
retro	O
gameplay	O
and	O
aesthetics	O
.	O
</s>
<s>
Some	O
reviews	O
,	O
especially	O
those	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
,	O
were	O
more	O
critical	O
of	O
the	O
graphics	O
and	O
believed	O
the	O
game	O
's	O
value	O
was	O
primarily	O
in	O
its	O
nostalgic	O
gameplay	O
.	O
</s>
<s>
The	O
game	O
received	O
two	O
sequels	O
:	O
Bangai-O	B-Application
Spirits	I-Application
(	O
2008	O
)	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
and	O
Bangai-O	B-Application
HD	O
:	O
Missile	O
Fury	O
(	O
2011	O
)	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
Bangai-O	B-Application
is	O
a	O
2D	O
side-scrolling	O
multidirectional	O
shooter	O
.	O
</s>
<s>
The	B-Operating_System
Dreamcast	I-Operating_System
version	O
of	O
Bangai-O	B-Application
,	O
released	O
after	O
the	O
initial	O
Nintendo	B-Operating_System
64	I-Operating_System
version	O
,	O
features	O
significant	O
differences	O
in	O
gameplay	O
which	O
results	O
in	O
a	O
more	O
streamlined	O
experience	O
.	O
</s>
<s>
In	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
,	O
the	O
bullets	O
are	O
stronger	O
,	O
and	O
destroying	O
objects	O
and	O
enemies	O
refills	O
the	O
bomb	O
attack	O
meter	O
instead	O
of	O
fruit	O
which	O
now	O
only	O
add	O
to	O
the	O
player	O
's	O
score	O
.	O
</s>
<s>
In	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
,	O
up	O
to	O
400	O
missiles	O
can	O
be	O
shot	O
at	O
once	O
in	O
comparison	O
to	O
100	O
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
.	O
</s>
<s>
The	O
idea	O
for	O
Bangai-O	B-Application
came	O
from	O
Treasure	O
employee	O
Mitsuru	O
Yaida	O
(	O
commonly	O
known	O
by	O
the	O
pseudonym	O
"	O
Yaiman	O
"	O
)	O
.	O
</s>
<s>
About	O
ten	O
people	O
worked	O
on	O
Bangai-O	B-Application
.	O
</s>
<s>
One	O
of	O
the	O
artists	O
on	O
the	O
team	O
,	O
Koichi	O
Kimura	O
,	O
had	O
just	O
finished	O
working	O
on	O
Guardian	B-Application
Heroes	I-Application
(	O
1996	O
)	O
,	O
another	O
2D	O
game	O
.	O
</s>
<s>
The	O
story	O
is	O
based	O
on	O
typical	O
Japanese	O
Yakuza	B-Application
revenge	O
plays	O
.	O
</s>
<s>
Treasure	O
announced	O
Bangai-O	B-Application
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
in	O
June	O
1999	O
.	O
</s>
<s>
The	B-Operating_System
Dreamcast	I-Operating_System
version	O
was	O
first	O
released	O
in	O
Japan	O
on	O
December	O
9	O
,	O
1999	O
.	O
</s>
<s>
This	O
version	O
had	O
improved	O
graphics	O
and	O
audio	O
over	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
original	O
.	O
</s>
<s>
By	O
February	O
2000	O
,	O
publishers	O
were	O
researching	O
the	O
possibility	O
of	O
localizing	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
for	O
Western	O
audiences	O
.	O
</s>
<s>
At	O
the	O
Electronic	O
Entertainment	O
Expo	O
(	O
E3	O
)	O
in	O
May	O
that	O
year	O
,	O
IGN	O
reported	O
that	O
a	O
company	O
had	O
begun	O
localizing	O
the	O
game	O
,	O
and	O
had	O
given	O
it	O
English	O
menus	O
and	O
renamed	O
it	O
Bangai-O	B-Application
from	O
its	O
obscure	O
Japanese	O
title	O
,	O
Bakuretsu	B-Application
Muteki	I-Application
Bangaioh	I-Application
.	O
</s>
<s>
In	O
December	O
,	O
industry	O
newcomer	O
Conspiracy	O
Entertainment	O
announced	O
they	O
were	O
localizing	O
Bangai-O	B-Application
along	O
with	O
another	O
Dreamcast	B-Operating_System
game	O
,	O
Record	B-Application
of	I-Application
Lodoss	I-Application
War	I-Application
(	O
2000	O
)	O
.	O
</s>
<s>
The	B-Operating_System
Dreamcast	I-Operating_System
version	O
was	O
planned	O
for	O
release	O
on	O
February	O
27	O
,	O
2001	O
,	O
but	O
was	O
eventually	O
released	O
on	O
March	O
21	O
.	O
</s>
<s>
Bangai-O	B-Application
received	O
positive	O
reviews	O
for	O
its	O
initial	O
Nintendo	B-Operating_System
64	I-Operating_System
release	O
.	O
</s>
<s>
Most	O
compared	O
it	O
to	O
older	O
shoot	O
'	O
em	O
ups	O
and	O
action	B-Application
games	I-Application
.	O
</s>
<s>
GameFan	O
called	O
it	O
a	O
mix	O
between	O
the	O
free-floating	O
gameplay	O
of	O
Sub	B-Application
Terrania	I-Application
(	O
1994	O
)	O
and	O
the	O
rotating	O
shooting	O
action	B-Application
of	O
Omega	B-Application
Boost	I-Application
(	O
1999	O
)	O
.	O
</s>
<s>
They	O
appreciated	O
it	O
as	O
one	O
of	O
the	O
few	O
shooters	O
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
,	O
and	O
compared	O
its	O
aesthetic	O
missile	O
shooting	O
style	O
to	O
Macross	O
.	O
</s>
<s>
Barthalow	O
and	O
Martin	O
Kitts	O
(	O
N64	B-Operating_System
Magazine	O
)	O
both	O
praised	O
the	O
level	O
design	O
for	O
forcing	O
the	O
player	O
to	O
change	O
their	O
tactics	O
level	O
to	O
level	O
.	O
</s>
<s>
Gantayat	O
argued	O
that	O
Bangai-O	B-Application
is	O
"	O
a	O
game	O
that	O
you	O
either	O
love	O
,	O
or	O
just	O
do	O
n't	O
understand	O
yet	O
"	O
.	O
</s>
<s>
Bangai-O	B-Application
was	O
praised	O
for	O
its	O
retro	O
gameplay	O
and	O
aesthetics	O
.	O
</s>
<s>
Kitts	O
and	O
the	O
staff	O
at	O
GameFan	O
wrote	O
that	O
it	O
looked	O
and	O
played	O
like	O
a	O
Super	B-Application
NES	I-Application
game	O
and	O
pointed	O
out	O
how	O
some	O
effects	O
were	O
reminiscent	O
of	O
the	O
16-bit	B-Device
system	O
's	O
Mode	O
7	O
rotation	O
effects	O
.	O
</s>
<s>
GameFan	O
explained	O
further	O
that	O
it	O
looked	O
like	O
a	O
Super	B-Application
NES	I-Application
game	O
with	O
less	O
slowdown	O
,	O
a	O
higher	O
resolution	O
,	O
and	O
more	O
color	O
.	O
</s>
<s>
Rick	O
Mears	O
(	O
GameFan	O
)	O
wrote	O
that	O
it	O
felt	O
like	O
Robotron	B-Application
(	O
1982	O
)	O
with	O
its	O
unique	O
control	O
style	O
,	O
and	O
called	O
it	O
an	O
"	O
old	O
school	O
2D	O
treat	O
"	O
.	O
</s>
<s>
Gantayat	O
pointed	O
out	O
the	O
scatter	O
bomb	O
attack	O
that	O
fills	O
the	O
screen	O
with	O
bullets	O
"	O
a	O
momentous	O
occasion	O
...	O
one	O
of	O
the	O
main	O
parts	O
of	O
the	O
Bangai-O	B-Application
experience	O
"	O
.	O
</s>
<s>
Reviews	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
carried	O
the	O
same	O
sentiments	O
as	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
version	O
in	O
regards	O
to	O
the	O
frantic	O
and	O
unique	O
gameplay	O
.	O
</s>
<s>
They	O
argued	O
that	O
Bangai-O	B-Application
is	O
a	O
game	O
designed	O
for	O
"	O
hardcore	O
"	O
gamers	O
and	O
commented	O
:	O
"	O
Are	O
games	O
coming	O
out	O
today	O
missing	O
something	O
from	O
the	O
glory	O
days	O
of	O
twitch	O
gameplay	O
...	O
Or	O
am	O
I	O
just	O
too	O
jaded	O
by	O
the	O
3-D	O
graphics	O
,	O
complex	O
mission	O
objectives	O
,	O
and	O
controls	O
of	O
most	O
modern	O
games	O
"	O
.	O
</s>
<s>
In	O
a	O
brief	O
but	O
critical	O
review	O
,	O
Dreamcast	B-Operating_System
Magazine	O
(	O
UK	O
)	O
argued	O
that	O
it	O
was	O
a	O
nearly	O
direct	O
port	O
of	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
version	O
,	O
and	O
called	O
it	O
"	O
unimaginative	O
"	O
.	O
</s>
<s>
Bangai-O	B-Application
was	O
nominated	O
for	O
The	O
Electric	O
Playgrounds	O
2001	O
Blister	O
Awards	O
for	O
"	O
Best	O
Console	O
Shooter	O
Game	O
"	O
,	O
but	O
lost	O
to	O
Halo	O
:	O
Combat	O
Evolved	O
.	O
</s>
<s>
Bangai-O	B-Application
received	O
two	O
sequels	O
.	O
</s>
<s>
The	O
first	O
,	O
Bangai-O	B-Application
Spirits	I-Application
,	O
was	O
released	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
in	O
2008	O
,	O
and	O
the	O
second	O
,	O
Bangai-O	B-Application
HD	O
:	O
Missile	O
Fury	O
,	O
was	O
released	O
exclusively	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
via	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
in	O
2011	O
.	O
</s>
